feat: 位置字段改名为机房，移动到ID列后面；优化列表列宽和截断

assetapp/excel_utils.py

@@ -16,7 +16,7 @@ EXPORT_COLUMNS = [
     ('model', '型号', 20),
     ('asset_value', '资产面值', 12),
     ('serial_number', '序列号', 25),
-    ('location', '设备位置', 20),
+    ('location', '机房', 20),
     ('cabinet', '机柜', 10),
     ('cabinet_position', '机柜位置', 10),
     ('bmc_address', 'BMC地址', 16),

assetapp/migrations/0008_alter_asset_location.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.13 on 2026-04-28 04:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assetapp', '0007_asset_business_type_asset_gpu_count_asset_gpu_type_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='asset',
+            name='location',
+            field=models.CharField(blank=True, default='', help_text='楼层/房间/区域', max_length=200, verbose_name='机房'),
+        ),
+    ]

assetapp/models.py

@@ -40,7 +40,7 @@ class Asset(models.Model):
     serial_number = models.CharField('序列号', max_length=100, blank=True, default='', db_index=True)
 
     # 位置信息
-    location = models.CharField('设备位置', max_length=200, blank=True, default='', help_text='楼层/房间/区域')
+    location = models.CharField('机房', max_length=200, blank=True, default='', help_text='楼层/房间/区域')
     cabinet = models.CharField('机柜', max_length=50, blank=True, default='')
     cabinet_position = models.CharField('机柜位置', max_length=50, blank=True, default='', help_text='U位')